*BSD News Article 81530


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From: Sebastian Strollo <seb@erix.ericsson.se>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: 2.1.5 with 2940 (cdrom questions)
Date: 24 Oct 1996 18:33:08 +0200
Organization: Ericsson Telecom, Stockholm, Sweden
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Hi everyone,

I have got a machine from DELL (GXPRO) which is a Pentium Pro machine
with a Adaptec 2940 adapter which has a Seagate hard drive and a NEC
cdrom connected to it. On this machine I am running 2.1.5. Now I have
some questions regarding the cd-rom:

* At first I couldn't boot the machine without having a cd-rom in the
drive, it would probe the drive and then say: 

ahc0:A:5: refuses WIDE negotiation.  Using 8bit transfers

after which it would hang. If however I had a cdrom in the drive it
would happily continue saying:

(ahc0:5:0): "NEC CD-ROM DRIVE:462 1.14" type 5 removable SCSI 2
cd0(ahc0:5:0): CD-ROM cd present.[268501 x 2048 byte records]

Ok, so I turned of wide negotiation in the BIOS setup - then it worked
even without a cd inserted. (Is this the right thing to do? The driver
can figure it out with the cd in so I guess it should be able go on
without it as well?)


* I have a problem playing audio cd's. Using cdcontrol I was able to
play an audio cd with the Play command with no arguments or time
arguments. If I try to give track/index arguments the driver will say:

cd0(ahc0:5:0): ILLEGAL REQUEST asc:24,0 Invalid field in CDB

Anybody knows whats wrong?

thanks in advance!

-- 
Sebastian Strollo
Computer Science Laboratory             Phone: +46 8 719 9519
Ericsson Telecom AB                     Fax  : +46 8 719 8988
S-126 25 Stockholm, SWEDEN              email: seb@erix.ericsson.se